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DO-254 Glossary of Terms

Advisory Circular, such as AC-152 which enforces DO-254 for "custom microcoded devices"

AC 20-152

The Advisory Circular dated 6/30/05 that mandated the use of DO254 on PLD/FPGA/ASIC components.

ACO

Aircraft Certification Office, a local office of the FAA that assists with design approval and certificate management; US production approvals; engineering and analysis questions; investigating and reporting aircraft accidents, incidents, and service difficulties; DER oversight.

AIR

AIRcraft certification service. There are various divisions of the FAA, such as AIR 120 and AIR 200, which are all involved in various aspects of aircraft certification.

AMOC

Acceptable Means of Compliance, for example, code coverage is an AMOC for verification metrics

AOPA

Aircraft Operators and Pilots Association

ARINC

Aeronautical Radio Incorporated, a company that is the leading provider of transportation communications and systems engineering solutions for five major industries: aviation, airports, defense, government, and transportation, also synonymous with various ARINC parts such as the ARINC 429, a two-wire data bus that is application-specific for commercial and transport aircraft.

Certification Authorities Software Team, an international group of participants from worldwide aviation certification authorities including the FAA, despite the name this group discusses complex electronic hardware issues also